2021 Honda Ridgeline Oil Type & Capacity: 0W-20 (5.7 quarts)
The 2021 Honda Ridgeline takes 0W-20 motor oil — 5.7 quarts with a filter change, per the factory service manual.
Factory-spec answer
0W-20 — 5.7 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Black Edition | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | 5.70 QTS. | 5.40 QTS. | You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
| RTL-E | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | 5.70 QTS. | 5.40 QTS. | You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
| RTL, AWD | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | 5.70 QTS. | 5.40 QTS. | You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
| RTL, FWD | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | 5.70 QTS. | 5.40 QTS. | You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
| Sport, AWD | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | 5.70 QTS. | 5.40 QTS. | You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
| Sport, FWD | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | 5.70 QTS. | 5.40 QTS. | You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
More factory specs & repair guides for your Ridgeline
🛞 2021 Honda Ridgeline Tire Size & Pressure →🌧️ 2021 Honda Ridgeline Wiper Blade Sizes →💡 2021 Honda Ridgeline Light Bulb Sizes →📖 2021 Honda Ridgeline Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.84 quarts (7.41 L) — HONDA Long-Life Antifreeze/Coolant Type 2. This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. If Honda antifreeze/coolant is not available, you may use another major-brand non-silicate coolant as a temporary replacement. Make sure it is a high-quality coolant recommended for aluminum engines.
Frequently asked questions
What type of oil does a 2021 Honda Ridgeline take?
The 2021 Honda Ridgeline takes 0W-20 motor oil (Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil), per the factory service manual.
What is the oil capacity of a 2021 Honda Ridgeline?
The 2021 Honda Ridgeline oil capacity is 5.7 quarts with a filter change, or 5.4 quarts without changing the filter.
How often should I change the oil in my 2021 Honda Ridgeline?
Most 2021 Honda Ridgeline owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Honda recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2021 Honda Ridgeline?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2021 Honda Ridgeline. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.